Natural hot spring · France
Le trou de Madame
France · 1.9 miles south of Pontonx-sur-l'Adour
Last updated
- Type
- Natural Natural hot spring
- Water temperature
- Not recorded
- Cost
- Not recorded
- Hours or season
- Not recorded
- Clothing
- Not recorded
- Nearest town
- Pontonx-sur-l'Adour (2 mi / 3 km)
- Coordinates
- Pools or sources
- 1
About Le trou de Madame
Le trou de Madame is a natural hot spring in France, about 1.9 miles south of Pontonx-sur-l'Adour. The nearest large city is Mont-de-Marsan, roughly 24 miles away as the crow flies.
We do not have a trustworthy temperature reading for this spring. Water temperature at hot springs can change with the seasons, so always test before you soak.
It is a natural spring with little or no development. Some natural springs have rock pools you can sit in, while others are too hot, too shallow or on land where soaking is not allowed.
Map and directions
Red marks Le trou de Madame. Other colored dots are nearby springs in this directory. Coordinates: 43.76122, -0.93581.
Getting there
- Nearest town: Pontonx-sur-l'Adour. The spring is about 1.9 miles (3 km) south of town in a straight line.
- Nearest large city: Mont-de-Marsan, about 24 miles (39 km) in a straight line.
- Planning from a city? See hot springs near Donostia / San Sebastián, Spain.
- Use the directions buttons above for a driving route. Final roads to many springs are unpaved, seasonal or closed in winter, so check road conditions before you go.
Hot springs near Le trou de Madame
- Thermes de Christus Not recorded
- Les Thermes Not recorded
- Thermes de Saubusse 102°F
- Eau souffrée Not recorded
- La Ferme thermale Not recorded
- Source chaude de Camou "Lamina ziloa" Not recorded
Before you go
- Check the operator, land manager or park website for current hours, fees and closures. Details in any directory can go out of date.
- Pack out everything you bring, including food scraps. Do not use soap in natural pools.
- Keep your head above water. Warm fresh water can carry Naegleria fowleri, a rare but deadly amoeba that enters through the nose.
- Drink water, limit soaks to 10 to 20 minutes at a time in very hot water, and skip alcohol.
- Read our hot spring etiquette guide and safety guide.
Frequently asked questions
Where is Le trou de Madame?
Le trou de Madame is in France, about 1.9 miles south of Pontonx-sur-l'Adour. The GPS coordinates are 43.7612, -0.9358.
Can you soak at Le trou de Madame?
Natural springs vary. Some have pools built by visitors, others are too hot or shallow, and some are on private land or in areas where bathing is banned. Check local rules and test the water before you get in.
What hot springs are near Le trou de Madame?
The closest listed spring is Thermes de Christus, about 6.8 miles west. Les Thermes is about 6.9 miles away.
What should I bring to a hot spring?
Water to drink, a towel, sandals with grip, a bag to pack out trash, and warm layers for after your soak. At primitive springs bring a headlamp and tell someone where you are going.
Sources and corrections
This listing combines OpenStreetMap. Data last refreshed August 2026. Source 1
Visited recently? Send a correction, such as a temperature reading, fee, closure or photo. If you look after this spring and want it removed, see removal requests.